2lbs of syrup is going to give you a very low ABV.
and its not beer if it has no malt.
what you want to do is brew a brown ale, and use the maple syrup as part of the fermentables. Like a 4lb can of LME and 2lbs of syrup and appropriate hops.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10